CN117898599A

CN117898599A - Coffee brewing machine

Info

Publication number: CN117898599A
Application number: CN202410073366.5A
Authority: CN
Inventors: 袁一炜; 何波; 何郭军; 陈声威
Original assignee: Anhui Yuanyexing Electrical Technology Co ltd
Current assignee: Anhui Yuanyexing Electrical Technology Co ltd
Priority date: 2024-01-18
Filing date: 2024-01-18
Publication date: 2024-04-19

Abstract

The invention relates to the technical field of coffee machines, and discloses a brewing coffee machine, which comprises a brewing coffee machine, a brewing head arranged on the brewing coffee machine and a heat source module arranged in the brewing coffee machine, wherein an annular clamping nozzle is fixed on the bottom surface of the brewing head, a water distribution net is arranged in the brewing head, and the brewing coffee machine further comprises: the water receiving pipe is arranged on the side surface of the coffee brewing machine and is communicated with the hot water pipe in the heat source module; and the valve is arranged on the water receiving pipe. The invention can soften and dissolve substances such as coffee grease on the water diversion net of the coffee machine by using hot water soaking, thereby removing surface dirt to a certain extent, and the brush hair part on the cleaning plate is rotated by a series of gear transmission, so that the water diversion net is brushed, the dirt attached on the water diversion net can be removed more thoroughly by the mechanical cleaning mode, the whole cleaning process is automatic, the water diversion net is not required to be detached from the brewing head by staff, and the operation is convenient.

Description

Coffee brewing machine

Technical Field

The invention relates to the technical field of coffee machines, in particular to a coffee brewing machine.

Background

A coffee machine is a device for brewing coffee, which can mix coffee powder with water by hot water or steam, thereby making a coffee drink.

Through searching, chinese patent with publication number CN105852647A discloses a coffee machine, a heating component comprises a heating body communicated with a water storage component, a heating body base and a heating body protective sleeve connected with the heating body base; the heating component and the brewing component are matched to form a closed space; the heating body base is detachably provided with a first piercing unit communicated with the heating body, the heating body protecting sleeve and the brewing chamber base are in sliding connection with the coffee machine body, and the heating body protecting sleeve is connected with the driving assembly; the brewing assembly comprises a brewing chamber communicated with the first puncture unit and a brewing chamber base connected with the brewing chamber; the brewing chamber is internally provided with a second puncture unit, and the brewing chamber is provided with a coffee outlet nozzle communicated with the brewing chamber; the puncture unit and the brewing chamber are matched in multiple specifications, so that the coffee machine can be matched with different types of coffee packages, the brewing quality of coffee is guaranteed, the structural complexity of the coffee machine is reduced, and the following defects still exist when the technical scheme is in actual use:

In the use process of the coffee machine, impurities, minerals, coffee residues and the like can be carried in water, the substances can accumulate on the water diversion net, if the substances are not cleaned timely, the accumulated substances can influence the taste of coffee, in addition, the impurities can block the water diversion net and influence the uniformity of water flow distribution, so the water diversion net of the coffee machine needs to be cleaned regularly.

Therefore, there is a need to design a coffee brewing machine to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a coffee brewing machine.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the utility model provides a make coffee machine, includes and makes coffee machine, sets up the brewing head and the heat source module of installing in making coffee machine on making coffee machine, the bottom surface of making the head is fixed with annular card mouth, the inside of making the head still installs the water dividing net, still includes:

the water receiving pipe is arranged on the side surface of the coffee brewing machine and is communicated with the hot water pipe in the heat source module;

the valve is arranged on the water receiving pipe;

a first threaded portion provided on an outer peripheral surface of the chuck mouth;

the clamping assembly is detachably arranged on the clamping nozzle and comprises a mounting cylinder, and screw grooves matched with the first screw thread parts are formed in the upper end and the lower end of the mounting cylinder;

the baffle is fixed in the middle position inside the mounting cylinder, and a motor mounting port and a rotating shaft mounting port are formed in the baffle;

a biaxial motor mounted in the motor mounting port;

The first cleaning component is arranged on the mounting cylinder and is positioned on one side of the partition plate;

The second cleaning component is arranged on the mounting cylinder, and the first cleaning component is positioned on the other side of the partition plate;

And the two connecting components are arranged on the partition plate.

As a preferred technical solution of the present invention, the clamping assembly further includes:

the first water outlets are formed in the mounting cylinder and distributed in a circumferential array;

the rotating ring is rotatably arranged on the mounting cylinder;

the second water outlets are formed in the rotating ring and distributed in a circumferential array.

As a preferred embodiment of the present invention, the first cleaning assembly includes:

The rotating shaft penetrates through the rotating shaft mounting opening and is rotationally connected in the rotating shaft mounting opening, and the rotating shaft is of a hollow structure;

The first gear is fixedly sleeved on the rotating shaft;

The second gear is fixedly sleeved on one output shaft of the double-shaft motor, and the first gear and the second gear are meshed with each other;

The first cleaning plate is positioned on one side of the partition plate and fixed at the top end of the rotating shaft, the first cleaning plate is of a hollow structure, and the inside of the first cleaning plate is communicated with the inside of the rotating shaft;

The first bristle part is adhered to the top surface of the first cleaning plate;

The water spraying ports are formed in the top surface of the first cleaning plate and are communicated with the inside of the first cleaning plate;

A connecting pipe;

The rotary joint is arranged at the bottom end of the rotating shaft and is communicated with the inside of the rotating shaft, and one end of the connecting pipe is connected with the rotary joint.

As a preferred embodiment of the present invention, the second cleaning assembly includes:

The second cleaning plate is positioned on the other side of the partition plate;

The second bristle part is adhered to the side surface of the second cleaning plate;

the fixed block is fixed on the second cleaning plate;

The rotating block is fixed on the other output shaft of the double-shaft motor, and the fixed block and the rotating block are opposite to each other.

As a preferred embodiment of the present invention, the connection assembly includes:

The outer cylinder is characterized in that one end of the outer cylinder is a closed end, the other end of the outer cylinder is an open end, and the closed end of the outer cylinder is fixed on the partition plate;

the connecting rod is movably inserted into the outer cylinder, and one end of the connecting rod extends to the outside of the outer cylinder and is fixedly connected with the second cleaning plate;

And one end of the spring is connected with the inner surface of the outer cylinder, and the other end of the spring is connected with the connecting rod.

As a preferable technical scheme of the invention, the top end of the brewing head is fixed with a top block, the outer peripheral surface of the top block is provided with a second thread part, and the second thread part is matched with a thread groove in the mounting cylinder.

As a preferable technical scheme of the invention, the rotating block and the fixed block form a cylinder structure together, the sizes of the rotating block and the fixed block are the same, and one end of the rotating block opposite to the fixed block is provided with an inclined plane.

As a preferable technical scheme of the invention, the inner ring of the rotating ring is mutually attached to the outer surface of the mounting cylinder, and the rotating ring is made of rubber materials.

As a preferable technical scheme of the invention, the rotating shaft, the first cleaning plate and the rotary joint are coaxially arranged.

As a preferable technical scheme of the invention, the second cleaning plate is in a disc-shaped structure, and the shape of the second cleaning plate is matched with the shape of the water diversion net.

The invention has the following beneficial effects:

1. The hot water soaking can be used for softening and dissolving substances such as coffee grease, coffee grounds and scale on the water diversion net of the coffee machine, so that surface dirt is removed to a certain extent, the brush hair part on the cleaning plate is rotated through a series of gear transmission, so that the water diversion net is brushed, the dirt attached to the water diversion net can be removed more thoroughly by the mechanical cleaning mode, the mechanical cleaning mode is matched with the hot water soaking, the cleaning effect is improved, in addition, water is led through the connecting pipe, water flows enter the cleaning plate again and are sprayed out through the water spraying port to be matched with the brushing effect, the water diversion net is cleaned again, the step is favorable for flushing away the dirt attached to the surface of the water diversion net, the cleaning effect is ensured, the whole cleaning process is automatic, workers are not required to detach the water diversion net from the brewing head, and the operation is convenient;

2. The first cleaning component and the second cleaning component are combined, the surface of the water distribution net and the inside of the meshes can be comprehensively cleaned, the first cleaning component is used for cleaning dirt on the surface through mechanical cleaning and hot water soaking, the second cleaning component is used for cleaning the inside of the water distribution net through the up-and-down movement of the brush hair part in the meshes, the first cleaning component is used for carrying out preliminary cleaning, then the mode of rotating the barrel by a worker is switched to the second cleaning plate, deeper cleaning of the inside of the meshes is achieved, various dirt is thoroughly removed through the multi-layer cleaning process, and the cleaning effect of the device on the water distribution net is guaranteed.

Drawings

Fig. 1 is a schematic view of a coffee maker according to the present invention;

FIG. 2 is a schematic view of a coffee maker according to another aspect of the present invention;

FIG. 3 is a schematic view of the structure of the heat source module inside the coffee brewing machine;

FIG. 4 is an enlarged view of the structure at A of FIG. 2;

FIG. 5 is a schematic cross-sectional structural view of the mounting cartridge;

FIG. 6 is an enlarged view of the structure at B of FIG. 5;

FIG. 7 is an enlarged view of the structure at C of FIG. 5;

fig. 8 is an enlarged view of the structure at D of fig. 5.

In the figure: the coffee brewing machine comprises a coffee brewing machine 1, a brewing head 2, a heat source module 3, a water receiving pipe 4, a valve 5, a clamping nozzle 6, a water diversion net 7, a mounting cylinder 81, a first water outlet 82, a rotating ring 83, a second water outlet 84, a partition plate 9, a double-shaft motor 10, a rotating shaft 111, a first gear 112, a second gear 113, a first cleaning plate 114, a first bristle part 115, a water spraying port 116, a connecting pipe 117, a rotary joint 118, a second cleaning plate 121, a second bristle part 122, a fixed block 123, a rotating block 124, an outer cylinder 131, a connecting rod 132, a spring 133 and a top block 14.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

Referring to fig. 1 to 8, a coffee brewing machine comprises a coffee brewing machine 1, a brewing head 2 arranged on the coffee brewing machine 1 and a heat source module 3 arranged inside the coffee brewing machine 1, wherein an annular clamping mouth 6 is fixed on the bottom surface of the brewing head 2, a water diversion net 7 is further arranged inside the brewing head 2, and the coffee brewing machine further comprises: the water receiving pipe 4 is arranged on the side surface of the coffee brewing machine 1, and the water receiving pipe 4 is communicated with a hot water pipe in the heat source module 3; the valve 5 is arranged on the water receiving pipe 4; a first screw portion provided on the outer peripheral surface of the bayonet 6.

The device also comprises a clamping assembly which is detachably arranged on the clamping nozzle 6, the clamping assembly comprises a mounting cylinder 81, the upper end and the lower end of the mounting cylinder 81 are respectively provided with a thread groove matched with the first thread part, the top end of the brewing head 2 is fixedly provided with a jacking block 14, the outer peripheral surface of the jacking block 14 is provided with a second thread part, the second thread part is matched with the thread groove in the mounting cylinder 81, and the thread groove and the first thread part are convenient for connection between the mounting cylinder 81 and the clamping nozzle 6; the baffle plate 9, the baffle plate 9 is fixed in the middle position inside the mounting cylinder 81, and a motor mounting port and a rotating shaft mounting port are formed in the baffle plate 9; the biax motor 10, biax motor 10 install in the motor installing port, and the joint subassembly still includes: a plurality of first water outlets 82, wherein the first water outlets 82 are all arranged on the mounting cylinder 81, and the first water outlets 82 are distributed in a circumferential array; the rotating ring 83, the rotating ring 83 is rotatably installed on the installation cylinder 81, the inner ring of the rotating ring 83 is mutually attached to the outer surface of the installation cylinder 81, and the rotating ring 83 is made of rubber materials, so that the sealing effect of the rotating ring 83 on a plurality of first water outlets 82 can be ensured, and the stability of the rotating ring 83 on the installation cylinder 81 can be ensured; the second water outlets 84 are formed in the rotating ring 83, the second water outlets 84 are distributed in a circumferential array, after brushing for a period of time, a worker rotates the rotating ring 83 until the second water outlets 84 on the rotating ring 83 are mutually overlapped with the first water outlets 82 on the cylinder 81, at this time, water flow accumulated in the cylinder 81 flows out through the first water outlets 82 and the second water outlets 84 which are mutually overlapped, and when the glove is worn by the worker, hot water scalding is avoided.

Still include first clearance subassembly in the device, first clearance subassembly sets up on mounting cylinder 81, and first clearance subassembly is located one side of baffle 9, and first clearance subassembly includes: the rotating shaft 111 penetrates through the rotating shaft mounting opening and is rotationally connected in the rotating shaft mounting opening, and the rotating shaft 111 is of a hollow structure; the first gear 112, the first gear 112 is fixedly sleeved on the rotating shaft 111; the second gear 113, the second gear 113 is fixedly sleeved on one of the output shafts of the double-shaft motor 10, and the first gear 112 and the second gear 113 are meshed with each other; the first cleaning plate 114, the first cleaning plate 114 is located at one side of the partition 9, the first cleaning plate 114 is fixed at the top end of the rotating shaft 111, the first cleaning plate 114 is of a hollow structure, and the interior of the first cleaning plate 114 is communicated with the interior of the rotating shaft 111; a first bristle part 115, the first bristle part 115 being adhered to the top surface of the first cleaning plate 114; the water spray ports 116 are formed in the top surface of the first cleaning plate 114, and the water spray ports 116 are communicated with the inside of the first cleaning plate 114; a connection pipe 117; the rotary joint 118, the bottom at pivot 111 is installed to rotary joint 118, and rotary joint 118 is linked together with the inside of pivot 111, the one end and the rotary joint 118 of connecting pipe 117 are connected, the design of rotary joint 118 makes can take place relative rotation between pivot 111 and the connecting pipe 117, avoid connecting pipe 117 winding on pivot 111, the coaxial line sets up between pivot 111, first clearance board 114 and the rotary joint 118, during the operation of biax motor 10, one of them output shaft can drive second gear 113 rotation, can drive first gear 112 rotation when second gear 113 rotates, this makes pivot 111 take place to rotate, can drive first clearance board 114 rotation when pivot 111 rotates, in this process, first brush hair portion 115 on the first clearance board 114 can be continuous brush to wipe water distribution network 7, thereby play the effect of brushing the clearance to water distribution network 7.

Still include the second clearance subassembly in the device, the second clearance subassembly sets up on mounting cylinder 81, and first clearance subassembly is located the opposite side of baffle 9, and the second clearance subassembly includes: the second cleaning plate 121 is positioned on the other side of the partition plate 9, the second cleaning plate 121 is in a disc-shaped structure, and the shape of the second cleaning plate 121 is matched with the shape of the water diversion net 7; a second bristle part 122, the second bristle part 122 being adhered to a side surface of the second cleaning plate 121; a fixing block 123, the fixing block 123 being fixed on the second cleaning plate 121; the rotating block 124, the rotating block 124 is fixed on another output shaft of the double-shaft motor 10, just set up just between fixed block 123 and the rotating block 124, rotating block 124 and fixed block 123 form the cylinder structure jointly, the size of rotating block 124 is the same with the size of fixed block 123, the one end that rotating block 124 is opposite with fixed block 123 all is equipped with the inclined plane, during the operation of double-shaft motor 10, another output shaft can drive rotating block 124 to take place to rotate, rotating block 124 and fixed block 123 jointly form the cylinder structure, the size of rotating block 124 is the same with the size of fixed block 123, the opposite one end of rotating block 124 and fixed block 123 all is equipped with the inclined plane, so rotating block 124 can be constantly extrudeed fixed block 123 at pivoted in-process, based on above-mentioned process, along with the operation of double-shaft motor 10, second clearance board 121 and second brush hair portion 122 can be constantly reciprocate in a plurality of brush hair portion 122 in a plurality of meshes on water distribution network 7, this step operation plays the mesh cleaning effect to the inside of water distribution network 7.

The device also comprises two connecting components, wherein the two connecting components are arranged on the partition plate 9, and the connecting components comprise: the outer cylinder 131, one end of the outer cylinder 131 is a closed end, the other end is an open end, and the closed end of the outer cylinder 131 is fixed on the partition 9; the connecting rod 132 is movably inserted in the outer cylinder 131, and one end of the connecting rod 132 extends to the outside of the outer cylinder 131 and is fixedly connected with the second cleaning plate 121; the spring 133, the one end of spring 133 is connected with the inner face of urceolus 131, and the other end is connected with connecting rod 132, is connected through coupling assembling between second clearance board 121 and the baffle 9, and under the spacing effect of urceolus 131 and connecting rod 132, fixed block 123 on the second clearance board 121 can't follow the rotation of rotating block 124, and only can reciprocate in vertical direction.

The specific working principle of the invention is as follows:

When the water diversion net 7 is required to be cleaned, a worker firstly rotates one end of the cylinder 81 to be connected to the clamping mouth 6, the first cleaning plate 114 is opposite to the water diversion net 7, a thread groove in the inner surface of the cylinder 81 and a first thread part on the clamping mouth 6 can realize the operation, when the cylinder 81 is rotated in place, the first brush hair part 115 on the first cleaning plate 114 just contacts with the water diversion net 7, then the worker connects the connecting pipe 117 with the water receiving pipe 4 and opens a valve on the water receiving pipe 4, further, the worker rotates the rotating ring 83, and a plurality of second water outlets 84 on the rotating ring 83 and a plurality of first water outlets 82 on the cylinder 81 are staggered, namely, the rotating ring 83 is utilized to shield the plurality of first water outlets 82;

After the above operation is completed, the worker supplies water into the connection pipe 117 by using the water injection function of the coffee maker 1 itself, so that the water flows into the rotation shaft 111 through the connection pipe 117, then, the water flows into the first cleaning plate 114 and is sprayed out through the plurality of water spray holes 116 on the first cleaning plate 114, so that the water flows are accumulated in the closed space formed by the cylinder 81, the partition 9 and the clamping mouth 6 until the water flows do not pass through the water distribution net 7, the water distribution net 7 can be soaked, in addition, the water flow entering the connection pipe 117 is provided by the heat source module 3 in the coffee maker 1, namely, the heat source module 3 provides hot water with proper temperature into the connection pipe 117, in this case, the hot water can help to soften and dissolve some substances such as coffee grease, coffee grounds and some scales attached to the water distribution net 7, so as to partially remove surface dirt, after soaking for a period of time, a worker starts the double-shaft motor 10, when the double-shaft motor 10 runs, one of the output shafts can drive the second gear 113 to rotate, the second gear 113 can drive the first gear 112 to rotate when rotating, the rotating shaft 111 rotates, the rotating shaft 111 can drive the first cleaning plate 114 to rotate when rotating, in the process, the first bristle part 115 on the first cleaning plate 114 can continuously brush the water distribution net 7, so that the water distribution net 7 is brushed and cleaned, the brushing effect of the first bristle part 115 is matched with the soaking effect of hot water, substances such as coffee grease, coffee grounds and some scale on the water distribution net 7 can be effectively removed, after brushing for a period of time, the worker rotates the rotating ring 83 until a plurality of second water outlets 84 on the rotating ring 83 are mutually overlapped with a plurality of first water outlets 82 on the cylinder 81, at this time, the water flow accumulated in the cylinder 81 flows out through the first water outlets 82 and the second water outlets 84 which are overlapped with each other, when the operation is performed, the worker needs to wear gloves to avoid hot water scalding, when the water accumulated in the cylinder 81 flows out, the worker enables the connecting pipe 117 to be filled with water again, when the connecting pipe 117 is filled with water, the water flow can enter the first cleaning plate 114 again and is sprayed out through the water spray ports 116, the cleaning of the clean water flow and the brushing of the first brush hair part 115 can play a role in cleaning the water distribution net 7 again, and the operation can wash away dirt attached to the surface of the water distribution net 7 so as to ensure the cleaning effect of the device on the water distribution net 7;

After cleaning the water diversion net 7 by using the first cleaning component, a worker rotates the cylinder 81 to separate the cylinder 81 from the clamping mouth 6, then turns the cylinder 81 to make the second cleaning plate 121 face the water diversion net 7, and connects the cylinder 81 to the clamping mouth 6 again, when the cylinder 81 is installed in place, a plurality of bristles in the second bristle part 122 are respectively inserted into a plurality of meshes on the water diversion net 7, in this case, the worker starts the double-shaft motor 10, when the double-shaft motor 10 runs, another output shaft can drive the rotating block 124 to rotate, the rotating block 124 and the fixed block 123 jointly form a cylinder structure, the rotating block 124 and the fixed block 123 have the same size, and one end of the rotating block 124 opposite to the fixed block 123 is provided with inclined planes, so that the rotating block 124 can continuously squeeze the fixed block 123 in the rotating process, the second cleaning plate 121 and the partition plate 9 are connected through the connecting component, under the limiting action of the outer cylinder 131 and the connecting rod 132, the fixed block 123 on the second cleaning plate 121 cannot rotate along with the rotating block 124 and can only move up and down in the vertical direction, based on the process, along with the operation of the double-shaft motor 10, the second cleaning plate 121 and the second bristle part 122 can move up and down continuously, so that the bristles in the second bristle part 122 can move up and down continuously in a plurality of meshes on the water diversion net 7, the operation plays a role in cleaning the inside of the meshes of the water diversion net 7, after the cleaning is completed, a worker takes the cylinder 81 from the clamping mouth 6, and enables the water-boiling head 2 to flow water, and the dirt above the water diversion plate 2 and the inside of the meshes are flushed out by water flow, so that the final cleaning step of the water diversion net 7 is realized, the first cleaning component and the second cleaning component can clean the surface and the mesh inside of the water diversion net 7, so that the cleanliness of the water diversion net 7 is ensured, the uniformity of water flowing through the water diversion net 7 is ensured, and the coffee making effect of the coffee making machine 1 is facilitated;

In addition, the top end of the brewing head 2 is fixed with the top block 14, the outer peripheral surface of the top block 14 is provided with a second threaded portion, the second threaded portion is matched with a threaded groove in the mounting cylinder 81, and in the use process of the coffee brewing machine 1, a worker can connect the cylinder 81 on the top block 14 in a screwing mode, so that the top block 14 can be stored conveniently.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. The utility model provides a make coffee machine, includes make coffee machine (1), sets up brewing head (2) on making coffee machine (1) and installs at the inside heat source module (3) of making coffee machine (1), the bottom surface of brewing head (2) is fixed with annular card mouth (6), water distribution net (7) are still installed to the inside of brewing head (2), its characterized in that still includes:

The water receiving pipe (4) is arranged on the side surface of the coffee brewing machine (1), and the water receiving pipe (4) is communicated with a hot water pipe in the heat source module (3);

the valve (5) is arranged on the water receiving pipe (4);

a first threaded portion provided on the outer peripheral surface of the bayonet (6);

The clamping assembly is detachably arranged on the clamping nozzle (6), the clamping assembly comprises a mounting cylinder (81), and screw grooves matched with the first screw thread parts are formed in the upper end and the lower end of the mounting cylinder (81);

The baffle plate (9), the middle position in the mounting cylinder (81) of said baffle plate (9) is fixed, offer motor mounting port and spindle mounting port on the said baffle plate (9);

a biaxial motor (10), the biaxial motor (10) being mounted in a motor mounting port;

the first cleaning component is arranged on the mounting cylinder (81) and is positioned on one side of the partition board (9);

the second cleaning component is arranged on the mounting cylinder (81), and the first cleaning component is positioned on the other side of the partition board (9);

And the two connecting components are arranged on the partition board (9).

2. The coffee brewing machine of claim 1, wherein the snap-fit assembly further comprises:

a plurality of first water outlets (82), wherein the first water outlets (82) are all arranged on the mounting cylinder (81), and the first water outlets (82) are distributed in a circumferential array;

A rotating ring (83), the rotating ring (83) being rotatably mounted on the mounting cylinder (81);

the second water outlets (84) are formed in the rotating ring (83), and the second water outlets (84) are distributed in a circumferential array.

3. A coffee brewing machine as recited in claim 1, wherein the first cleaning assembly includes:

the rotating shaft (111) penetrates through the rotating shaft mounting opening and is rotationally connected in the rotating shaft mounting opening, and the rotating shaft (111) is of a hollow structure;

The first gear (112) is fixedly sleeved on the rotating shaft (111);

The second gear (113) is fixedly sleeved on one output shaft of the double-shaft motor (10), and the first gear (112) and the second gear (113) are meshed with each other;

The first cleaning plate (114), the first cleaning plate (114) is located at one side of the partition board (9), the first cleaning plate (114) is fixed at the top end of the rotating shaft (111), the first cleaning plate (114) is of a hollow structure, and the inside of the first cleaning plate (114) is communicated with the inside of the rotating shaft (111);

a first bristle part (115), wherein the first bristle part (115) is adhered to the top surface of the first cleaning plate (114);

The water spraying ports (116) are formed in the top surface of the first cleaning plate (114), and the water spraying ports (116) are communicated with the inside of the first cleaning plate (114);

a connection tube (117);

The rotary joint (118), the bottom at pivot (111) is installed to rotary joint (118), and rotary joint (118) are linked together with the inside of pivot (111), the one end of connecting pipe (117) is connected with rotary joint (118).

4. A coffee brewing machine as recited in claim 1, wherein the second cleaning assembly includes:

a second cleaning plate (121), the second cleaning plate (121) being located on the other side of the partition plate (9);

a second bristle part (122), wherein the second bristle part (122) is adhered to the side surface of the second cleaning plate (121);

a fixed block (123), the fixed block (123) being fixed on the second cleaning plate (121);

and the rotating block (124), wherein the rotating block (124) is fixed on the other output shaft of the double-shaft motor (10), and the fixed block (123) and the rotating block (124) are arranged in a right opposite way.

5. A coffee brewing machine as recited in claim 4, wherein said connection assembly includes:

The outer cylinder (131), one end of the outer cylinder (131) is a closed end, the other end is an open end, and the closed end of the outer cylinder (131) is fixed on the partition board (9);

The connecting rod (132), the said connecting rod (132) is inserted in the outer cylinder (131) actively, one end of the said connecting rod (132) extends to the outside of the outer cylinder (131), and fixedly connect with second cleaning plate (121);

And one end of the spring (133) is connected with the inner surface of the outer cylinder (131), and the other end of the spring (133) is connected with the connecting rod (132).

6. A coffee brewing machine according to claim 1, characterized in that the top end of the brewing head (2) is fixed with a top block (14), a second thread part is arranged on the outer peripheral surface of the top block (14), and the second thread part is matched with a thread groove in the mounting cylinder (81).

7. A coffee brewing machine according to claim 4, wherein the rotating block (124) and the fixed block (123) together form a cylindrical structure, the rotating block (124) and the fixed block (123) are the same in size, and the ends of the rotating block (124) opposite to the fixed block (123) are provided with inclined surfaces.

8. A coffee brewing machine according to claim 2, wherein the inner ring of the rotary ring (83) and the outer surface of the mounting cylinder (81) are mutually attached, and the rotary ring (83) is made of rubber material.

9. A coffee-making machine according to claim 3, characterized in that said shaft (111), said first cleaning plate (114) and said rotary joint (118) are coaxially arranged.

10. A coffee machine according to claim 4, wherein the second cleaning plate (121) has a disc-like structure, and the shape of the second cleaning plate (121) is adapted to the shape of the water-dividing net (7).